<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style>
	* {
		margin: 0;
		padding: 0;
		text-decoration: none;
	}

	section.header {
		border-bottom: 1px solid grey;
		position: relative;
		height: 40px;
	}
	div.title,input.btn {
		position: absolute;
		height: 30px;
		line-height: 30px;
	}
	div.title {
		left: 40px;
	}
	input.btn {
		right: 40px;
		background: skyblue;
	}
	table {
		width: 300px;
		height: 50px;
		border: 1px solid grey;
		border-collapse: collapse;
		margin: auto;
		margin-top: 20px;
		text-align: center;
	}
	tr.title {
		height: 50px;
	}
	tr.title a {
		display: block;
		width: 150px;
		line-height: 50px;
		border-bottom: 2px solid blue;
	}
	div.img {
		width: 300px;
		height: 180px;
		border: 1px solid grey;
		margin: 0px auto;
		text-align: center;
		padding-top: 30px;
	}

	.boder_bot {
		border-bottom: 2px solid skyblue;
	}
</style>
</head>

<body>
	<section class="header">
	  <div class="title">钉钉管理后台</div>
	  <input type="button" value="企业注册" class="btn">
    </section>
	<section class="container">
	  <table>
		  <tr class="title">
			  <td><a href="" class="code">扫码登录</a></td>
			  <td><a href="" class="user">账号登录</a></td>
		  </tr>
	  </table>
	  <div class="img">
			<img src="./0.jpg" alt="" width="150px" height="150px">
	  </div>
    </section>
</body>
</html>
